© March 2023 24 AB16EJ Plus Operation Manual
PRE-OPERATION INSPECTION
5.2 MACHINE POSITIONS
The machine can be set to stowed, transport, operating
and non-operating positions. The machine positions/
states covered in this manual are stowed position, trans-
port position, operating position, and non-operating po-
sition. Each position is described in detail below:
• Stowed position: The articulated boom is fully low-
ered, and the main boom is fully retracted and
lowered.
• Transport position: The articulated boom is fully
lowered, and the main boom is fully retracted and
lowered. The jib and the platform are positioned as
appropriate for transportation by trailer or other
means.
• Operating position: The main boom is raised more
than 4° above the fully lowered position, or the ar-
ticulated boom is raised more than 5° above the fully
lowered position, or the main boom retraction limit
switch is not activated.
• Non-operating position: The main boom is raised
no more than 4° above the fully lowered position, or
the articulated boom is raised no more than 5° above
the fully lowered position, or the main boom retrac-
tion limit switch is activated.
5.3 PRE-START INSPECTION
If any damage, malfunction, or unauthorized
modifications differing from the factory state are
found with the machine, it should be immediately
tagged and shut down. Report the fault to the
relevant maintenance personnel and do not
operate the machine until safe operation can be
guaranteed.
The pre-start inspection shall include the following:
1. Cleanliness – inspect all surfaces of the machine for
leaks (hydraulic oil, fuel, engine oil or battery elec-
trolyte, etc.) or foreign objects.
2. Structure – check whether there are any abnormal-
ities in the equipment structure, such as dents, dam-
age, cracks in welds or structural components,
severe rust, severe corrosion, etc.
3. Operation Manual and Maintenance Manual – en-
sure that the Operation Manual and Maintenance
Manual are intact, easy to read, and stored in the
manuals storage box on the platform.
4. Decals and nameplate – ensure that labels and the
nameplate are in place, intact, accurately located
and visible.
Do not operate the machine if any label or
nameplate is missing or worn.
5. Maintenance – ensure that maintenance has been
completed in accordance with the maintenance in-
spection requirements specified in the Maintenance
Manual.
6. Battery – charge the battery as required. The elec-
trolyte level, if adjustable, must be kept at an appro-
priate height.
7. Fuel level (if equipped with an engine) – add fuel as
needed.
8. Engine oil level (if equipped with an engine) – make
sure the oil level is between the “FULL” and “ADD”
level of the oil dipstick and that the filler cap is
tightened.
9. Coolant level (if equipped with a water-cooled en-
gine) – add coolant as needed.
10. Hydraulic oil – check the hydraulic oil level. Add suit-
able hydraulic oil as needed.
11. Options/accessories – if the machine is equipped
with any options/accessories, consult this manual
and the supplemental manuals for options/accesso-
ries for inspection, operation and maintenance
instructions.
12. Machine components – check the following compo-
nents to ensure that they are correctly installed and
firmly attached without loose, missing or altered
parts and visible damage, leakage or excessive
wear, etc., and that all components are in their origi-
nal positions and normal working states, in addition
to checking other stated items.
1) Platform assembly and gate – ensure that the
foot switch is working properly and has not been
altered, closed or blocked; ensure that the rope
anchorage points are safe and reliable with only
one person per anchorage point; make sure the
latches and hinges are in normal working
states, that the platform gate opens and closes
properly, is not bent or damaged, and that the
surrounding area is free of obstacles. The gate
should remain closed at all times, except for en-
tering/exiting the platform and loading/unload-
ing materials;
2) Ground and platform controls – ensure that all
control switches are off, joysticks are in neutral
position and can return to neutral position nor-
mally once activated and released (self-reset-
ting switches can return to neutral position
normally after release), and that all control
markings are visible;
3) Platform slewing unit;
4) Boom assembly;
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